Update from pi-gen

- Manually merged changes from [pi-gen arm64](https://github.com/RPi-Distro/pi-gen/tree/arm64)
- Removed files that didn't belong in arm64 branch to begin with

scripts/common

@@ -94,7 +94,7 @@ on_chroot() {
 		mount --bind /sys "${ROOTFS_DIR}/sys"
 	fi
 
-	setarch linux32 capsh --drop=cap_setfcap "--chroot=${ROOTFS_DIR}/" -- -e "$@"
+	capsh --drop=cap_setfcap "--chroot=${ROOTFS_DIR}/" -- -e "$@"
 }
 export -f on_chroot
 

stage2/00-copies-and-fills/01-packages

-raspi-copies-and-fills

stage2/00-copies-and-fills/02-run.sh

-#!/bin/bash -e
-
-if [ -f "${ROOTFS_DIR}/etc/ld.so.preload" ]; then
-   mv "${ROOTFS_DIR}/etc/ld.so.preload" "${ROOTFS_DIR}/etc/ld.so.preload.disabled"
-fi
-

stage2/02-net-tweaks/files/wait.conf

-[Service]
-ExecStart=
-ExecStart=/usr/lib/dhcpcd5/dhcpcd -q -w

stage3/00-install-packages/01-run.sh

-#!/bin/bash -e
-
-on_chroot << EOF
-update-alternatives --install /usr/bin/x-www-browser \
-  x-www-browser /usr/bin/chromium-browser 86
-update-alternatives --install /usr/bin/gnome-www-browser \
-  gnome-www-browser /usr/bin/chromium-browser 86
-EOF
\ No newline at end of file

stage5/EXPORT_IMAGE

-IMG_SUFFIX="-full"
-if [ "${USE_QEMU}" = "1" ]; then
-	export IMG_SUFFIX="${IMG_SUFFIX}-qemu"
-fi